Science Memes

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submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 2 months ago* (last edited 2 months ago)

Sure, but you can also rip off electrons from atoms by rubbing them or bending a piece of wire. The energy needed to trigger fission in uranium is less than a picojoule, it just needs to be focused enough to knock away the part of the atom, which is why neutrons are the most common way.

Here is a chart with the rate of fusion for two hydrogen atoms at various temperatures.

https://en.m.wikipedia.org/wiki/Nuclear_fusion#/media/File%3AFusion_rxnrate.svg

This chart bottoms out at a few million degrees, since the probability is extremely low.